/*公共样式*/
*{ margin: 0px; padding: 0px; }
li{ list-style: none; }
.wrap{ width:1200px; margin:0px auto; }
.clear{ clear: both; }
/*页面样式*/
/*页头*/
.top{background: #ccc;}
.top-left{
	width:200px;
	height: 40px;
	background: #abcdef;
	float: left;
}
.top-right{
	width:700px;
	height: 40px;
	border:1px solid red;
	float: right;
}
.top-right>li{
	width:100px;
	height: 40px;
	line-height: 40px;
	float: left;
}
.top-right .menu{
	position: relative;
	border:1px solid transparent;
}
.top-right .down-box{
	position: absolute;
	display: none;
	width:100px;
}

.menu:hover>.down-box{
	display: block;
	border:1px solid red;
	border-top:none; 
}

.menu:hover{
	border:1px solid red;
	border-bottom: none;
}
